221241144300 has 72 divisors (see below), whose sum is σ = 698317513152. Its totient is φ = 53634216000.

The previous prime is 221241144287. The next prime is 221241144331. The reversal of 221241144300 is 3441142122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33518086 + ... + 33524685.

Almost surely, 2^221241144300 is an apocalyptic number.

221241144300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221241144300 is an abundant number, since it is smaller than the sum of its proper divisors (477076368852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221241144300 is a wasteful number, since it uses less digits than its factorization.

221241144300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67042799 (or 67042792 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 221241144300 its reverse (3441142122), we get a palindrome (224682286422).

The spelling of 221241144300 in words is "two hundred twenty-one billion, two hundred forty-one million, one hundred forty-four thousand, three hundred".